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| author | Michaël Zasso <targos@protonmail.com> | 2017-05-02 10:50:00 +0200 |
|---|---|---|
| committer | Michaël Zasso <targos@protonmail.com> | 2017-05-06 20:02:35 +0200 |
| commit | 60d1aac8d225e844e68ae48e8f3d58802e635fbe (patch) | |
| tree | 922f347dd054db18d88666fad7181e5a777f4022 /deps/v8/src/compiler/raw-machine-assembler.cc | |
| parent | 73d9c0f903ae371cd5011af64c3a6f69a1bda978 (diff) | |
| download | android-node-v8-60d1aac8d225e844e68ae48e8f3d58802e635fbe.tar.gz android-node-v8-60d1aac8d225e844e68ae48e8f3d58802e635fbe.tar.bz2 android-node-v8-60d1aac8d225e844e68ae48e8f3d58802e635fbe.zip | |
deps: update V8 to 5.8.283.38
PR-URL: https://github.com/nodejs/node/pull/12784
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Diffstat (limited to 'deps/v8/src/compiler/raw-machine-assembler.cc')
| -rw-r--r-- | deps/v8/src/compiler/raw-machine-assembler.cc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/deps/v8/src/compiler/raw-machine-assembler.cc b/deps/v8/src/compiler/raw-machine-assembler.cc index a318dd02ae..0e101770c3 100644 --- a/deps/v8/src/compiler/raw-machine-assembler.cc +++ b/deps/v8/src/compiler/raw-machine-assembler.cc @@ -166,6 +166,13 @@ void RawMachineAssembler::PopAndReturn(Node* pop, Node* v1, Node* v2, void RawMachineAssembler::DebugBreak() { AddNode(machine()->DebugBreak()); } +void RawMachineAssembler::Unreachable() { + Node* values[] = {UndefinedConstant()}; // Unused. + Node* ret = MakeNode(common()->Throw(), 1, values); + schedule()->AddThrow(CurrentBlock(), ret); + current_block_ = nullptr; +} + void RawMachineAssembler::Comment(const char* msg) { AddNode(machine()->Comment(msg)); } @@ -332,7 +339,11 @@ Node* RawMachineAssembler::MakeNode(const Operator* op, int input_count, return graph()->NewNodeUnchecked(op, input_count, inputs); } -RawMachineLabel::~RawMachineLabel() { DCHECK(bound_ || !used_); } +RawMachineLabel::~RawMachineLabel() { + // If this DCHECK fails, it means that the label has been bound but it's not + // used, or the opposite. This would cause the register allocator to crash. + DCHECK_EQ(bound_, used_); +} } // namespace compiler } // namespace internal |